feat: customize all app's theme to catppuccin-mocha

home/linux/base/btop.nix

@@ -0,0 +1,15 @@
+{ catppuccin-btop, ... }:
+
+{
+  # https://github.com/catppuccin/btop/blob/main/themes/catppuccin_mocha.theme
+  home.file.".config/btop/themes".source = "${catppuccin-btop}/themes";
+
+  # replacement of htop/nmon
+  programs.btop = {
+    enable = true;
+    settings = {
+        color_theme = "catppuccin_mocha";
+        theme_background = false;   # make btop transparent 
+    };
+  };
+}

home/linux/base/default.nix

@@ -1,5 +1,6 @@
 {
   imports = [
+    ./btop.nix
     ./shell.nix
     ./system-tools.nix
   ];

home/linux/base/system-tools.nix

@@ -1,8 +1,6 @@
 {pkgs, ...}: {
   # Linux Only Packages, not available on Darwin
   home.packages = with pkgs; [
-    btop # replacement of htop/nmon
-    htop
     nmon
     iotop
     iftop